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Deferred Costs (Tables) | 12 Months Ended
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Dec. 31, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |
Schedule of Movement of Deferred Costs | The movements of deferred costs for the years ended December 31, 2018 and 2019 are as follows:
|  | As of December 31, |
|  | 2018 |  |  | 2019 |
|  | RMB |  |  | RMB |
Beginning balances (current and non-current) |  |  | 98,260 |  |  |  | 327,267 |
Additions |  |  | 374,594 |  |  |  | 440,495 |
Amortizations |  |  | (145,488 | ) |  |  | (318,693 | )
Impairments |  |  | (99 | ) |  |  | (134 | )
Ending balances (current and non-current) |  |  | 327,267 |  |  |  | 448,935 |
Deferred costs, current |  |  | 180,657 |  |  |  | 243,447 |
Deferred costs, non-current |  |  | 146,610 |  |  |  | 205,488 |

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